/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package registry

import (
	"errors"

	"mosn.io/api"
)

var registry = make(map[api.ProtocolName]api.XProtocolCodec)

func RegisterXProtocolCodec(name api.ProtocolName, codec api.XProtocolCodec) error {
	if _, ok := registry[name]; ok {
		return errors.New("duplicate protocol register:" + string(name))
	}
	registry[name] = codec
	return nil
}

func GetXProtocolCodec(name api.ProtocolName) api.XProtocolCodec {
	codec, ok := registry[name]
	if !ok {
		return nil
	}
	return codec
}
